1x11 - Buck Rogers in the 25th Century

Hieronymous Fox, an 11-year-old child genius from the 20th Century is kidnapped for ransom by the sinister Roderick Zale. The boy is the President of the planet Genesia and his bodyguard fears that he will be killed because they cannot meet the ransom demand. Buck, Wilma, and the bodyguard then make separate attempts to rescue the boy.